9*2.2+2y=18

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Solution for 9*2.2+2y=18 equation: 


Simplifying
9 * 2.2 + 2y = 18

Multiply 9 * 2.2
19.8 + 2y = 18

Solving
19.8 + 2y = 18

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-19.8' to each side of the equation.
19.8 + -19.8 + 2y = 18 + -19.8

Combine like terms: 19.8 + -19.8 = 0.0
0.0 + 2y = 18 + -19.8
2y = 18 + -19.8

Combine like terms: 18 + -19.8 = -1.8
2y = -1.8

Divide each side by '2'.
y = -0.9

Simplifying
y = -0.9

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